<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="水表名" prop="elemName">
        <el-input
            v-model="queryParams.elemName"
            placeholder="请输入水表名"
            clearable
            @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="告警等级" prop="warnLevel">
        <el-input
            v-model="queryParams.warnLevel"
            placeholder="请输入告警等级"
            clearable
            @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="告警时间" prop="warnTimeRange">
        <el-date-picker
            clearable
            v-model="queryParams.warnTimeRange"
            type="daterange"
            range-separator="至"
            start-placeholder="开始日期"
            end-placeholder="结束日期"
            value-format="YYYY-MM-DD"
            @change="handleDateChange"
        >
        </el-date-picker>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
            type="primary"
            plain
            icon="Plus"
            @click="handleAdd"
            v-hasPermi="['water:MeterWarn:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="success"
            plain
            icon="Edit"
            :disabled="single"
            @click="handleUpdate"
            v-hasPermi="['water:MeterWarn:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="danger"
            plain
            icon="Delete"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['water:MeterWarn:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="warning"
            plain
            icon="Download"
            @click="handleExport"
            v-hasPermi="['water:MeterWarn:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="MeterWarnList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="顺序id" align="center" prop="id" />
      <el-table-column label="水表 Id" align="center" prop="meterId" />
      <el-table-column label="水表名" align="center" prop="elemName" />
      <el-table-column label="告警等级" align="center" prop="warnLevel" />
      <el-table-column label="告警种类" align="center" prop="warnType" />
      <el-table-column label="告警信息" align="center" prop="warnMsg" />
      <el-table-column label="告警时间" align="center" prop="warnTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.warnTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="是否已处理" align="center" prop="warnStatus" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['water:MeterWarn:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['water:MeterWarn:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
        v-show="total>0"
        :total="total"
        v-model:page="queryParams.pageNum"
        v-model:limit="queryParams.pageSize"
        @pagination="getList"
    />

    <!-- 添加或修改水表告警对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="MeterWarnRef" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="水表 Id" prop="meterId">
          <el-input v-model="form.meterId" placeholder="请输入水表 Id" />
        </el-form-item>
        <el-form-item label="水表名" prop="elemName">
          <el-input v-model="form.elemName" placeholder="请输入水表名" />
        </el-form-item>
        <el-form-item label="告警等级" prop="warnLevel">
          <el-input v-model="form.warnLevel" placeholder="请输入告警等级" />
        </el-form-item>
        <el-form-item label="告警信息" prop="warnMsg">
          <el-input v-model="form.warnMsg" placeholder="请输入告警信息" />
        </el-form-item>
        <el-form-item label="告警时间" prop="warnTime">
          <el-date-picker clearable
                          v-model="form.warnTime"
                          type="date"
                          value-format="YYYY-MM-DD"
                          placeholder="请选择告警时间">
          </el-date-picker>
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="MeterWarn">
import { listMeterWarn, getMeterWarn, delMeterWarn, addMeterWarn, updateMeterWarn } from "@/api/water/MeterWarn"
import { getCurrentInstance, ref, reactive, toRefs } from 'vue'
import { useRoute } from 'vue-router'

const { proxy } = getCurrentInstance()
const route = useRoute()

const MeterWarnList = ref([])
const open = ref(false)
const loading = ref(true)
const showSearch = ref(true)
const ids = ref([])
const single = ref(true)
const multiple = ref(true)
const total = ref(0)
const title = ref("")

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    elemName: null,
    warnLevel: null,
    // 改为日期范围数组 [startDate, endDate]
    warnTimeRange: null,
    // 用于向后端传递的参数
    warnTimeStart: null,
    warnTimeEnd: null,
    warnStatus: null,
  },
  rules: {
    warnLevel: [
      { required: true, message: "告警等级不能为空", trigger: "blur" }
    ],
    warnType: [
      { required: true, message: "告警种类不能为空", trigger: "change" }
    ],
    warnTime: [
      { required: true, message: "告警时间不能为空", trigger: "blur" }
    ],
    warnStatus: [
      { required: true, message: "是否已处理不能为空", trigger: "change" }
    ],
  }
})

const { queryParams, form, rules } = toRefs(data)

/** 查询水表告警列表 */
function getList() {
  loading.value = true
  // 准备查询参数，将范围参数转换为后端需要的格式
  const params = {
    ...queryParams.value,
    // 移除range参数，使用start和end
    warnTimeStart: queryParams.value.warnTimeRange?.[0] || null,
    warnTimeEnd: queryParams.value.warnTimeRange?.[1] || null
  }
  delete params.warnTimeRange

  listMeterWarn(params).then(response => {
    MeterWarnList.value = response.rows
    total.value = response.total
    loading.value = false
  })
}

// 处理日期范围变化
function handleDateChange(range) {
  if (range) {
    queryParams.value.warnTimeStart = range[0]
    queryParams.value.warnTimeEnd = range[1]
  } else {
    queryParams.value.warnTimeStart = null
    queryParams.value.warnTimeEnd = null
  }
}

// 取消按钮
function cancel() {
  open.value = false
  reset()
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    meterId: null,
    elemName: null,
    warnLevel: null,
    warnType: null,
    warnMsg: null,
    warnTime: null,
    warnStatus: null,
    recordTime: null
  }
  proxy.resetForm("MeterWarnRef")
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1
  getList()
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef")
  // 重置日期范围
  queryParams.value.warnTimeRange = null
  queryParams.value.warnTimeStart = null
  queryParams.value.warnTimeEnd = null
  handleQuery()
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id)
  single.value = selection.length != 1
  multiple.value = !selection.length
}

/** 新增按钮操作 */
function handleAdd() {
  reset()
  open.value = true
  title.value = "添加水表告警"
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset()
  const _id = row.id || ids.value
  getMeterWarn(_id).then(response => {
    form.value = response.data
    open.value = true
    title.value = "修改水表告警"
  })
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["MeterWarnRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateMeterWarn(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功")
          open.value = false
          getList()
        })
      } else {
        addMeterWarn(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功")
          open.value = false
          getList()
        })
      }
    }
  })
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value
  proxy.$modal.confirm('是否确认删除水表告警编号为"' + _ids + '"的数据项？').then(function() {
    return delMeterWarn(_ids)
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess("删除成功")
  }).catch(() => {})
}

/** 导出按钮操作 */
function handleExport() {
  const params = {
    ...queryParams.value,
    warnTimeStart: queryParams.value.warnTimeRange?.[0] || null,
    warnTimeEnd: queryParams.value.warnTimeRange?.[1] || null
  }
  delete params.warnTimeRange

  proxy.download('water/MeterWarn/export', params, `MeterWarn_${new Date().getTime()}.xlsx`)
}

// 初始化时获取URL中的query参数并自动搜索
function initQueryParams() {
  // 从URL中获取query参数
  const { elemName, warnTimeStart, warnTimeEnd, warnTime } = route.query

  // 处理水表名参数
  if (elemName) {
    queryParams.value.elemName = elemName
  }

  // 处理日期参数 - 支持单个日期和日期范围
  if (warnTime) {
    // 单个日期参数，设置开始和结束日期为同一天
    queryParams.value.warnTimeRange = [warnTime, warnTime]
    queryParams.value.warnTimeStart = warnTime
    queryParams.value.warnTimeEnd = warnTime
  } else if (warnTimeStart || warnTimeEnd) {
    // 日期范围参数
    queryParams.value.warnTimeRange = [warnTimeStart || null, warnTimeEnd || null]
    queryParams.value.warnTimeStart = warnTimeStart || null
    queryParams.value.warnTimeEnd = warnTimeEnd || null
  }

  // 如果有参数则自动执行搜索，否则执行默认查询
  if (elemName || warnTime || warnTimeStart || warnTimeEnd) {
    handleQuery()
  } else {
    getList()
  }
}

// 页面初始化时执行
initQueryParams()
</script>
